Nothing Special   »   [go: up one dir, main page]

CN114005950B - Method for producing battery pole piece by using die-cutting and bag-making integrated machine and battery pole piece - Google Patents

Method for producing battery pole piece by using die-cutting and bag-making integrated machine and battery pole piece Download PDF

Info

Publication number
CN114005950B
CN114005950B CN202111249434.1A CN202111249434A CN114005950B CN 114005950 B CN114005950 B CN 114005950B CN 202111249434 A CN202111249434 A CN 202111249434A CN 114005950 B CN114005950 B CN 114005950B
Authority
CN
China
Prior art keywords
pole piece
die
cutting
bag
diaphragms
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202111249434.1A
Other languages
Chinese (zh)
Other versions
CN114005950A (en
Inventor
吴鑫
宋南海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Greensheng Technology Co ltd
Original Assignee
SHENZHEN GREENSUN TECHNOLOGY CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENZHEN GREENSUN TECHNOLOGY CO LTD filed Critical SHENZHEN GREENSUN TECHNOLOGY CO LTD
Priority to CN202111249434.1A priority Critical patent/CN114005950B/en
Publication of CN114005950A publication Critical patent/CN114005950A/en
Application granted granted Critical
Publication of CN114005950B publication Critical patent/CN114005950B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/04Processes of manufacture in general
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0404Machines for assembling batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0404Machines for assembling batteries
    • H01M10/0409Machines for assembling batteries for cells with wound electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/06Electrodes for primary cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/06Electrodes for primary cells
    • H01M4/08Processes of manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00Primary cells; Manufacture thereof
    • H01M6/005Devices for making primary cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Making Paper Articles (AREA)

Abstract

The specification provides a method for producing a battery pole piece by using a die-cutting and bag-making integrated machine, which comprises the following steps: putting coil stock into the unreeling component, and cutting the coil stock into pole pieces with required shapes and sizes through the die cutting component; grabbing the pole piece by a transfer manipulator, and transferring the pole piece to the middle of the upper diaphragm layer and the lower diaphragm layer; the upper and lower layers of diaphragms and pole pieces in the middle of the diaphragms are manufactured into continuous pole piece bags through a bag manufacturing assembly; and overlapping the pole pieces in the continuous pole piece bags and the pole pieces with the polarity opposite to that of the pole pieces in the continuous pole piece bags.

Description

Method for producing battery pole piece by using die-cutting and bag-making integrated machine and battery pole piece
The invention has the application number as follows: 201811047373.9, the invention name is: a die-cutting and bag-making integrated machine and a die-cutting and bag-making method are disclosed.
Technical Field
The invention belongs to the technical field of battery processing, and particularly relates to a die-cutting and bag-making integrated machine and a die-cutting and bag-making method.
Background
Lamination of the pole pieces of the battery is an important link in the current battery production process, and the production efficiency and quality of the battery are directly affected. Most of the existing lamination equipment adopts a manual mode or a semi-automatic mode, and the bag making, die cutting and lamination are separated, so that the degree of automation is low.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a die-cutting bag making machine, a die-cutting bag making integrated machine and a die-cutting bag making method.
In one aspect of the invention, a die-cutting and bag-making integrated machine is provided, which comprises a die-cutting and bag-making machine 1, a die-cutting machine 2 and a lamination machine 4; a first rotary manipulator 5 and a second rotary manipulator 6; a sheet-flow belt 7, a first transition belt 8 and a second transition belt 9.
In another aspect of the present invention, a method for processing a battery pole piece is provided, including: preparing a continuous pole piece bag, wherein the pole piece bag is formed by an upper diaphragm, a lower diaphragm and pole pieces clamped between the diaphragms; and overlapping the pole pieces in the continuous pole piece bags and the pole pieces with the polarity opposite to that of the pole pieces in the continuous pole piece bags.
In another aspect of the present invention, there is provided a die cut bag making machine comprising: unreeling assembly 10, die cutting assembly 11, pole piece transfer manipulator 12, diaphragm unreeling assembly 13, and bag making assembly 14. The coiled material in the die-cutting bag making machine 1 is unreeled by the unreeling component 10 and then cut into pole pieces with required shape and size by the die-cutting component 11. The pole piece transfer manipulator 12 grabs and transfers the pole piece to the middle of the two layers of diaphragms, and the upper diaphragm 13, the lower diaphragm and the pole piece are manufactured into continuous bags through the bag manufacturing assembly 14. The die cutting bag making machine 1 can be used for making positive pole piece bags and negative pole piece bags, the die cutting machine 2 can be used for die cutting positive pole pieces and negative pole pieces, and the lamination machine 4 can be used for laminating the bags of one pole piece and the other pole piece into an electric core.
In another aspect of the present invention, there is provided a die cutting machine comprising: a second unreeling assembly 16, a second die cutting assembly 17, an upper powder brushing belt 18 and a lower powder brushing belt 19; after being unreeled by the second unreeling component 16, the coiled material is cut into pole pieces with required shape and size by the second die cutting component 17, and the pole pieces are brushed and dedusted by the upper brushing belt 18 and the lower brushing belt 19 and then transferred to the sheet-flowing belt 7.
The invention has the beneficial effects that: the degree of automation and lamination efficiency of lamination process have been improved greatly.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings;
FIG. 1 is a top view of a die-cut bagging lamination all-in-one machine embodying the present invention;
FIG. 2 is a front isometric view of a die-cut bagging lamination machine embodying the present invention;
FIG. 3 is a rear isometric view of a die-cut bagging lamination all-in-one machine embodying the present invention;
FIG. 4 is a side view of a die-cutting machine provided by an embodiment of the present invention;
FIG. 5 is a side view of a die-cutting machine provided by an embodiment of the present invention;
FIG. 6 is another arrangement of a die-cut bagging lamination machine embodying the present invention;
FIG. 7 (a) is a schematic illustration of a continuous pole piece bag construction;
FIG. 7 (b) is a schematic illustration of another continuous pole piece pocket configuration;
fig. 8 (a) is a schematic diagram of the working state of the lamination machine;
fig. 8 (b) is a schematic view of the working state of the lamination machine;
fig. 8 (c) is a schematic view of the working state of the lamination machine;
FIG. 9 is a schematic structural view of a seal assembly;
FIG. 10 is a schematic view of the structure of the hot press assembly;
FIG. 11 is a schematic illustration of pole piece shape;
FIG. 12 is a partial schematic view of a cell of a heat-sealed, hot-pressed pouch;
fig. 13 is a partial schematic view of the cell after heat sealing the pouch laminate.
Wherein the reference numerals are as follows:
a die-cutting bag making machine 1; a die cutting machine 2; a lamination machine 4; a first rotary manipulator 5; a second rotary manipulator 6;
a sheet-flowing belt 7, a first transition belt 8 and a second transition belt 9;
unreeling assembly 10, die cutting assembly 11, pole piece transfer manipulator 12, diaphragm unreeling assembly 13 and bag making assembly 14;
a second unreeling assembly 16, a second die cutting assembly 17, an upper powder brushing belt 18, and a lower powder brushing belt 19.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Embodiment one:
in one embodiment of the present disclosure, as shown in fig. 1-3, and 4-6, a die cut bagging lamination machine is provided. Comprises a die-cutting bag making machine 1, a die-cutting machine 2 and a lamination machine 4; a first rotary manipulator 5 and a second rotary manipulator 6; a sheet-flow belt 7, a first transition belt 8 and a second transition belt 9.
The die-cutting bag making machine 1 comprises: unreeling assembly 10, die cutting assembly 11, pole piece transfer manipulator 12, diaphragm unreeling assembly 13, and bag making assembly 14. The coiled material in the die-cutting bag making machine 1 is unreeled by the unreeling component 10 and then cut into pole pieces with required shape and size by the die-cutting component 11. The pole piece transfer manipulator 12 grabs and transfers the pole piece to the middle of the two layers of diaphragms, and the upper diaphragm 13, the lower diaphragm and the pole piece are manufactured into continuous bags through the bag manufacturing assembly 14. The die cutting bag making machine 1 can be used for making positive pole piece bags and negative pole piece bags, the die cutting machine 2 can be used for die cutting positive pole pieces and negative pole pieces, and the lamination machine 4 can be used for laminating the bags of one pole piece and the other pole piece into an electric core.
The die cutting machine 2 includes: a second unreeling assembly 16, a second die cutting assembly 17, an upper powder brushing belt 18 and a lower powder brushing belt 19; after being unreeled by the second unreeling component 16, the coiled material is cut into pole pieces with required shape and size by the second die cutting component 17, and the pole pieces are brushed and dedusted by the upper brushing belt 18 and the lower brushing belt 19 and then transferred to the sheet-flowing belt 7.
The first rotary mechanical arm 5 sucks the pole piece bag from the pole piece flowing belt 7 to the first transition belt 8; the second rotary manipulator 6 sucks the pole piece from the pole piece belt 7 to a second transition belt 9.
The lamination machine 4 includes: lamination station 20, lamination robot, tape winding assembly 23. The belt winding assembly 23 in the lamination machine 4 transits the bags manufactured by the die-cutting bag making machine 1 to the lamination table 20, and the lamination mechanical arm sucks the pole pieces from the first transition belt and the second transition belt respectively and stacks the pole pieces on the lamination table 20.
In summary, the die-cutting, bag-making and lamination integrated machine provided by the embodiment can be realized in one set of equipment, and all processes of manufacturing bags and laminations are realized, so that on one hand, automation of a lamination industrial assembly line is realized; and on the other hand, the lamination process is improved, the pole pieces are packaged into the bags through the prefabricated bags to form pole piece bags, and then the pole piece bags and the other pole pieces are laminated on the lamination table.
Embodiment two:
in the first embodiment, the pole piece transferring manipulator 12 is provided to grasp and transfer the pole piece to the middle of the two layers of diaphragms, and the upper and lower layers of diaphragms 13 and the pole piece are manufactured into continuous bags through the bag manufacturing assembly 14. The bag making can be realized by the following method:
in the first way, by means of soldering.
And a sealing means for restraining the pole piece inside the sealing point by forming a sealing welding point around the pole piece, wherein the size of the sealing welding point and the distance from the sealing welding point to the pole piece can be specified by the battery technology.
In the second way, by means of hot pressing.
And the hot pressing means is used for primarily bonding the pole piece and the upper and lower diaphragms by carrying out hot pressing treatment on the pole piece and the upper and lower diaphragms.
And thirdly, performing hot pressing and sealing welding.
And the hot pressing and sealing means is used for preliminarily bonding the pole piece and the upper and lower diaphragms by carrying out hot pressing treatment on the pole piece and the upper and lower diaphragms. Then, a seal spot is formed around the pole piece by seal welding to constrain the pole piece inside the seal spot, wherein the size of the seal spot and the distance from the seal spot to the pole piece can be specified by the battery process.
In the method, the sealing point is a point where the upper and lower layers of diaphragms are bonded together by being heated and pressed, and the pole piece is restrained inside the sealing point. Wherein the size of the seal spot and the distance of the seal spot to the pole piece may be specified by the battery process.
Fig. 7 (a) shows the pole piece pocket being made by spot welding, the pole piece 24 being wrapped by upper and lower diaphragms 25, and sealing points 26 being sealed around the pole piece 24 to fix the position of the pole piece relative to the diaphragms. In fig. 7 (a), the pole piece has a rectangular structure with an extended protrusion on the side surface, and no sealing point is provided on the extended protrusion on the side surface of the pole piece. Of course, the pole piece shape depends on the produced battery shape, and the present specification only describes the manner of packaging and fixing thereof with respect to the separator, and does not limit the shape thereof.
Fig. 7 (b) shows a pole piece bag manufactured by hot pressing, the pole piece 24 is wrapped by the upper and lower diaphragms 25, and then hot pressing is performed, so that preliminary fixing of the pole piece and the diaphragms can be achieved.
The fixing method of fig. 7 (a) and fig. 7 (b) can be applied to the pole piece bag at the same time, namely, the pole piece and the diaphragm are stuck by hot pressing, and then a circle of spot welding is performed on the periphery of the pole piece by spot welding, so that the position of the pole piece relative to the diaphragm is fixed.
Fig. 8 (a), 8 (b) and 8 (c) illustrate the operation of the lamination machine. Lamination station 20, lamination robot 21, lamination robot 22 realize lamination through winding subassembly 23.
Fig. 9 shows a schematic structural diagram of the seal assembly, after the pole piece 901 wrapped by the double-layer diaphragm is moved in place, the air cylinder 903 pushes the heat sealing plate 904 to press down, the heat sealing plate 904 is heated by the heating rod to keep constant high temperature, and the teeth 902 are pressed onto the diaphragm 901 to bond the upper diaphragm and the lower diaphragm together.
Fig. 10 shows a schematic structural diagram of a hot-pressing assembly, in which a double-layer diaphragm-wrapped pole piece is arranged between an upper hot-pressing roller 1001 and a lower hot-pressing roller 1002, and a hot-pressing cylinder 1003 pushes the upper hot-pressing roller 1001 to press downwards, and both hot-pressing rollers are heated by a heating rod to keep a certain temperature, so that the diaphragm pole pieces 1004 are hot-pressed together.
Figure 11 illustrates the shape of the pole piece in an embodiment. The pole piece shape is cut by a slicer. Other shapes may also be cut according to design requirements.
Embodiment III:
fig. 12 shows a partial schematic of a cell of a heat-sealed, hot-pressed pouch. Fig. 13 shows a partial schematic view of the cell after heat sealing the pouch laminate. The heat-seal hot-pressing bag is a pole piece bag manufactured by hot pressing and seal welding, and the heat-seal bag is a pole piece bag manufactured by hot pressing.
In fig. 12, a pole piece 1201 is encapsulated inside a diaphragm by a seal welding process to form a continuous pole piece pocket 1202, and a pole piece opposite in polarity to the pole piece 1201 is made by die cutting and is stacked with the pole piece 1201.
In fig. 13, a pole piece 1301 is encapsulated inside a diaphragm by a seal welding process to form a pole piece pocket, and a pole piece 1302 opposite to the pole piece 1301 is made by die cutting and is stacked with the pole piece 1301.
Embodiment four:
as an alternative embodiment, the die-cutting bag making machine 1, the die-cutting machine 2 and the lamination machine 4 can be flexibly placed according to requirements.
In one possible example, such as shown in fig. 1, a die-cut bag machine 1, a die-cut machine 2 are placed side-by-side back-to-back, one on each side of the isolation zone. And the die cutting machine 2 is connected with a sheet flowing belt 7, and the pole pieces cut by the die cutting machine 2 are transported to a rotating station of the rotating manipulator through the sheet flowing belt 7. Taking the four-station rotary manipulator shown in fig. 1 as an example, the first rotary manipulator 5 sucks the pole piece bag from the pole piece belt 7 to the first transition belt 8; the second rotary manipulator 6 sucks the pole piece from the pole piece belt 7 to a second transition belt 9. The pole pieces are sucked onto the first transition belt 8 and the second transition belt 9, and lamination is carried out at the lamination machine 4.
In one possible example, such as shown in fig. 6, the die-cut bag machine 101, 102 are not placed back-to-back, but face-to-face, thus facilitating real-time monitoring of the die-cut bag machine 101 and die-cut machine 102 by an operator. The rotary manipulator is arranged at one end of the die cutting machine 102 and outputs the pole piece cut by the die cutting machine to the lamination machine 104.
Fifth embodiment:
a lamination method will be described below with reference to the apparatus described in embodiments one to four. The common lamination process is that positive plates and negative plates are overlapped in a staggered way, and a layer of diaphragm is sandwiched between the positive plates and the negative plates.
The lamination method is that a pole piece (positive pole or negative pole) is wrapped in the middle of two layers of diaphragms in advance (namely, bag making), and then flows onto a lamination table 20 through a tape winding assembly 23.
After the other pole piece is die-cut by the die-cutting machine 2, the other pole piece is transferred to lamination manipulators 21 and 22 through a pole piece flowing belt 7 and rotary manipulators 5 and 6 transition belts 8 and 9, and the prepared bags and the die-cut pole pieces are stacked together on a lamination table 20.
One specific pole piece bag preparation process includes: putting a coil stock into a first unreeling assembly 10, and cutting the coil stock into pole pieces with required shapes and sizes through a die cutting assembly 11; grabbing the pole piece by a transfer manipulator 12, and transferring the pole piece 12 to the middle of the upper diaphragm layer and the lower diaphragm layer; the upper and lower layers of membrane and pole pieces are formed into a continuous bag by the bag making assembly 14.
Example six:
in an alternative embodiment, as shown in fig. 1-3, there is provided a high speed die cut bagging lamination machine comprising: the device comprises a die cutting bag making machine, a die cutting machine, a lamination machine, a first rotary manipulator, a second rotary manipulator, a sheet flowing belt, a first transition belt and a second transition belt; wherein, cross cutting system bag machine mainly includes: the device comprises an unreeling assembly, a die cutting assembly, a pole piece transferring manipulator, a diaphragm unreeling assembly and a bag making assembly; the cross cutting machine mainly includes: the device comprises an unreeling assembly, a die cutting assembly, an upper powder brushing belt and a lower powder brushing belt; lamination machine mainly includes: lamination platform, lamination manipulator one, lamination manipulator two, winding belt subassembly.
After the coiled material in the die-cutting bag making machine is unreeled by the unreeling component, the coiled material is cut into pole pieces with required shapes and sizes through the die-cutting component, the pole pieces are grabbed and transferred to the middle of the two layers of diaphragms by the pole piece transfer mechanical hand, and the upper diaphragm, the lower diaphragm and the pole pieces are manufactured into continuous bags through the bag making component.
The first bag making method is to add a circle of sealing welding points (the sealing welding points are points where the upper and lower layers of diaphragms are bonded together by heating and pressing) on the periphery of the pole piece, and restrict the pole piece inside the sealing welding points, wherein the size of the sealing welding points and the distance from the sealing welding points to the pole piece can be specified by a battery process.
The second bag making method is to first make the pole piece and the upper and lower layers of diaphragms through one-time hot pressing, to adhere the pole piece and the upper and lower layers of diaphragms together, and then to add a circle of sealing welding spots around the pole piece.
After the coiled material in the die cutting machine is unreeled by the unreeling component, the coiled material is cut into pole pieces with required shapes and sizes by the die cutting component, and the pole pieces are transferred to the sheet-flowing belt after dust removal by the upper dust-brushing belt and the lower dust-brushing belt.
The first rotary manipulator sucks the pole piece from the pole piece flowing belt to the first transition belt, and the second rotary manipulator sucks the pole piece from the pole piece flowing belt to the second transition belt.
And the belt winding assembly in the lamination machine transits bags manufactured by the die-cutting bag making machine to the lamination table, and the lamination manipulator I and the lamination manipulator II respectively suck the pole pieces from the transition belt I and the transition belt II and stack the pole pieces to the lamination table.
The die cutting bag making machine can be used for making positive pole piece bags and negative pole piece bags, the die cutting machine can be used for die cutting positive pole pieces and negative pole pieces, and the lamination machine is used for laminating the bags of one pole piece and the other pole piece into an electric core.
The die-cutting bag making machine, the die-cutting machine and the lamination machine can be flexibly placed according to requirements.
Embodiment seven:
in accordance with the principles described in the foregoing embodiments, each of the sections of the die cut bagging lamination machine may be operated individually.
In an alternative embodiment, there is provided a die cut bag machine comprising: unreeling assembly, die cutting assembly, pole piece transfer manipulator, diaphragm unreeling assembly and bag making assembly. The coiled material in the die-cutting bag making machine is coiled by the uncoiling component and then is cut into pole pieces with required shape and size by the die-cutting component. The pole piece transferring manipulator grabs and transfers the pole piece to the middle of the two layers of diaphragms, and the upper diaphragm, the lower diaphragm and the pole piece are manufactured into continuous bags through the bag manufacturing assembly. The die cutting bag making machine can be used for making positive pole piece bags and negative pole piece bags, the die cutting machine can be used for die cutting positive pole pieces and negative pole pieces, and the lamination machine is used for laminating the bags of one pole piece and the other pole piece into an electric core.
In another aspect of the present invention, there is provided a die cutting machine comprising: the second unreeling assembly, the second die cutting assembly, the upper powder brushing belt and the lower powder brushing belt; after the coiled material is unreeled by the second unreeling component, the coiled material is cut into pole pieces with required shapes and sizes by the second die cutting component, and the pole pieces are transferred to the sheet flowing belt after dust removal by the upper dust brushing belt and the lower dust brushing belt.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (8)

1. A method for producing a battery pole piece with a sealing welding spot by using a tooth sealing structure of a die-cutting and bag-making integrated machine, which is characterized in that the die-cutting and bag-making integrated machine comprises:
a die-cutting bag making machine (1), a die-cutting machine (2) and a lamination machine (4); a first rotary manipulator (5) and a second rotary manipulator (6); a sheet-flowing belt (7), a first transition belt (8) and a second transition belt (9);
the die-cutting bag making machine (1) comprises:
the device comprises an unreeling assembly (10), a die cutting assembly (11), a pole piece transferring manipulator (12), a diaphragm unreeling assembly (13) and a bag making assembly (14); the bag making assembly (14) comprises a hot press seal welding assembly;
the hot-press seal welding assembly is used for carrying out hot-press and seal welding treatment on the pole piece and the upper and lower layers of diaphragms, and a circle of seal welding points (26) are formed on the peripheries of the pole piece and the upper and lower layers of diaphragms; the seal points (26) are break points around the pole pieces;
the method comprises the following steps:
putting a coil stock into an unreeling assembly (10), and cutting the coil stock into pole pieces with required shapes and sizes through a die cutting assembly (11);
grabbing the pole piece by a transfer manipulator, and transferring the pole piece to the middle of the upper diaphragm layer and the lower diaphragm layer;
the upper and lower layers of diaphragms and pole pieces in the middle of the diaphragms are manufactured into continuous pole piece bags through a bag manufacturing assembly (14);
overlapping the pole pieces in the continuous pole piece bags and pole pieces with polarity opposite to that of the pole pieces in the continuous pole piece bags;
the hot-press seal welding assembly specifically comprises:
the air cylinder (903) is used for pushing the heat sealing plate (904) to carry out hot pressing treatment on the pole piece and the upper and lower layers of diaphragms;
a heat sealing plate (904) heated by a heating rod to maintain a constant high temperature, wherein the heat sealing plate (904) also has a tooth seal (902);
the process for manufacturing the upper and lower layers of diaphragms and the pole piece in the middle of the diaphragms into the continuous pole piece bag comprises the following steps of: the sealing teeth (902) form a circle of sealing welding points (26) on the periphery of the pole piece and the upper and lower layers of diaphragms under the pushing of the air cylinder (903);
wherein, the seal tooth (902) forms a circle of seal welding point (26) on the periphery of the pole piece and the upper and lower layers of diaphragms under the pushing of the air cylinder (903), and the seal welding point comprises:
after the pole pieces wrapped by the upper diaphragm layer and the lower diaphragm layer are moved in place, the air cylinder (903) pushes the heat sealing plate (904) to press downwards, the heat sealing plate (904) is heated by the heating rod to keep constant high temperature, the teeth (902) are pressed on the diaphragms (901), and the upper diaphragm layer and the lower diaphragm layer are adhered together.
2. A method according to claim 1, characterized in that after the coil is placed in the unreeling assembly (10), the pole piece is cut into the required shape and size by the die cutting assembly (11), the pole piece transfer manipulator (12) grabs the pole piece and transfers the pole piece to the middle of two layers of diaphragms, and the upper and lower layers of diaphragms and the pole piece are manufactured into continuous pole piece bags by the bag manufacturing assembly (14).
3. The method according to claim 1, wherein the die-cutting machine (2) comprises:
the second unreeling component (16), the second die-cutting component (17), the upper powder brushing belt (18) and the lower powder brushing belt (19); after unreeling the coiled material by a second unreeling component (16), cutting the coiled material into pole pieces with required shapes and sizes by a second die cutting component (17), brushing and dedusting by an upper powder brushing belt (18) and a lower powder brushing belt (19), and transferring the pole pieces to a sheet flowing belt (7).
4. The method of claim 3, wherein the step of,
the first rotary manipulator (5) sucks continuous pole piece bags from the sheet-flowing belt (7) to a first transition belt (8);
the second rotary manipulator (6) sucks the pole piece from the sheet-flowing belt (7) to the second transition belt (9).
5. The method according to claim 1, wherein the lamination machine (4) comprises:
lamination table (20), lamination manipulator (21, 22), winding subassembly (23).
6. The method according to claim 5, wherein: the bag manufactured by the die-cutting bag making machine (1) is transited to the lamination table (20) by a belt winding assembly (23) in the lamination machine (4), and pole pieces are respectively sucked by lamination manipulators (21, 22) from a first transition belt (8) and a second transition belt (9) and are stacked on the lamination table (20).
7. The method according to claim 1, characterized in that: after passing through the hot-press seal welding assembly, the pole piece is packaged in the diaphragm through a seal welding process to form a continuous pole piece bag, and the pole piece in the continuous pole piece bag is of a first polarity;
the continuous pole piece bag is stacked with the pole piece with the second polarity;
the first polarity and the second polarity are opposite polarities.
8. A battery pole piece with a seal spot manufactured by the method of any one of claims 1 to 7, characterized in that the battery pole piece comprises:
a continuous pole piece pocket including a plurality of first polarity pole pieces therein;
the first polar pole piece and the second polar pole piece in the continuous pole piece bag are stacked;
the first polarity and the second polarity are opposite polarities;
the periphery of the first polar pole piece and the upper and lower layers of diaphragms are provided with a circle of sealing welding points (26), and the sealing welding points (26) are break points surrounding the first polar pole piece; and the seal welding point (26)
Is a circle of seal welding points (26) formed by the seal teeth (902) on the periphery of the pole piece and the upper and lower layers of diaphragms under the pushing of the air cylinder (903), and specifically comprises:
after the pole pieces wrapped by the upper diaphragm layer and the lower diaphragm layer are moved in place, the air cylinder (903) pushes the heat sealing plate (904) to press downwards, the heat sealing plate (904) is heated by the heating rod to keep constant high temperature, the teeth (902) are pressed on the diaphragms (901), and the upper diaphragm layer and the lower diaphragm layer are adhered together.
CN202111249434.1A 2018-09-09 2018-09-09 Method for producing battery pole piece by using die-cutting and bag-making integrated machine and battery pole piece Active CN114005950B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111249434.1A CN114005950B (en) 2018-09-09 2018-09-09 Method for producing battery pole piece by using die-cutting and bag-making integrated machine and battery pole piece

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811047373.9A CN109301165B (en) 2018-09-09 2018-09-09 Die cutting and bag making integrated machine and die cutting and bag making method
CN202111249434.1A CN114005950B (en) 2018-09-09 2018-09-09 Method for producing battery pole piece by using die-cutting and bag-making integrated machine and battery pole piece

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201811047373.9A Division CN109301165B (en) 2018-09-09 2018-09-09 Die cutting and bag making integrated machine and die cutting and bag making method

Publications (2)

Publication Number Publication Date
CN114005950A CN114005950A (en) 2022-02-01
CN114005950B true CN114005950B (en) 2024-01-05

Family

ID=65166700

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201811047373.9A Active CN109301165B (en) 2018-09-09 2018-09-09 Die cutting and bag making integrated machine and die cutting and bag making method
CN202111249434.1A Active CN114005950B (en) 2018-09-09 2018-09-09 Method for producing battery pole piece by using die-cutting and bag-making integrated machine and battery pole piece

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201811047373.9A Active CN109301165B (en) 2018-09-09 2018-09-09 Die cutting and bag making integrated machine and die cutting and bag making method

Country Status (1)

Country Link
CN (2) CN109301165B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113782820B (en) * 2021-11-11 2022-03-15 深圳市兴禾自动化股份有限公司 Pole piece and pole piece bag coincide electric core
CN113782839B (en) * 2021-11-11 2022-03-25 深圳市兴禾自动化股份有限公司 Online pole piece bag making and laminating process and bag making and laminating production line thereof
CN113782838B (en) * 2021-11-11 2022-03-15 深圳市兴禾自动化股份有限公司 Cell thermal compounding manufacturing process
CN115832403B (en) * 2023-01-06 2023-09-22 深圳市兴禾自动化股份有限公司 Pole piece compounding equipment and battery core manufacturing equipment

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101752607A (en) * 2010-01-18 2010-06-23 深圳市吉阳自动化科技有限公司 Lithium ion battery cell packet preparation method and system
CN102760858A (en) * 2012-06-18 2012-10-31 深圳市吉阳自动化科技有限公司 Bag-making and laminating machine and bag-making and laminating method
CN104701577A (en) * 2015-03-26 2015-06-10 深圳市吉阳自动化科技有限公司 Lamination battery cell preparing system and preparing method thereof
CN204424392U (en) * 2015-03-27 2015-06-24 河北神州巨电新能源科技开发有限公司 A kind of polymer Li-ion battery sealer mechanism of improvement
CN105119009A (en) * 2015-08-18 2015-12-02 深圳吉阳智云科技有限公司 Battery core cladding manufacturing method
JP2016062740A (en) * 2014-09-18 2016-04-25 日産自動車株式会社 Manufacturing device for laminate type battery, and manufacturing method
CN107482171A (en) * 2017-07-31 2017-12-15 深圳市格林晟科技有限公司 A kind of battery pole piece is die cut bag lamination equipment integrating
CN107508002A (en) * 2017-08-11 2017-12-22 深圳市格林晟科技有限公司 One kind cuts folding integrated machine
CN207303232U (en) * 2017-07-31 2018-05-01 深圳市格林晟科技有限公司 A kind of battery pole piece is die cut bag making lamination equipment integrating

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201340884Y (en) * 2008-11-28 2009-11-04 深圳市吉阳自动化科技有限公司 Fully automatic pole piece bag manufacturing device with power battery core
CN102340035A (en) * 2011-10-12 2012-02-01 江苏乐能电池股份有限公司 Method for manufacturing lithium ion battery lug
CN205081172U (en) * 2015-08-18 2016-03-09 深圳吉阳智云科技有限公司 System bag lamination all -in -one
JP6460418B2 (en) * 2016-10-31 2019-01-30 トヨタ自動車株式会社 Secondary battery
CN207664133U (en) * 2017-02-22 2018-07-27 深圳市格瑞普电池有限公司 Diaphragm bag band suitable for lamination lithium ion
CN206564301U (en) * 2017-03-13 2017-10-17 广东亿鑫丰智能装备股份有限公司 A kind of battery core bag lamination manufacturing equipment

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101752607A (en) * 2010-01-18 2010-06-23 深圳市吉阳自动化科技有限公司 Lithium ion battery cell packet preparation method and system
WO2011085654A1 (en) * 2010-01-18 2011-07-21 深圳市吉阳自动化科技有限公司 Preparing method and preparation system for cell core of lithium ion battery
CN102760858A (en) * 2012-06-18 2012-10-31 深圳市吉阳自动化科技有限公司 Bag-making and laminating machine and bag-making and laminating method
JP2016062740A (en) * 2014-09-18 2016-04-25 日産自動車株式会社 Manufacturing device for laminate type battery, and manufacturing method
CN104701577A (en) * 2015-03-26 2015-06-10 深圳市吉阳自动化科技有限公司 Lamination battery cell preparing system and preparing method thereof
CN204424392U (en) * 2015-03-27 2015-06-24 河北神州巨电新能源科技开发有限公司 A kind of polymer Li-ion battery sealer mechanism of improvement
CN105119009A (en) * 2015-08-18 2015-12-02 深圳吉阳智云科技有限公司 Battery core cladding manufacturing method
CN107482171A (en) * 2017-07-31 2017-12-15 深圳市格林晟科技有限公司 A kind of battery pole piece is die cut bag lamination equipment integrating
CN207303232U (en) * 2017-07-31 2018-05-01 深圳市格林晟科技有限公司 A kind of battery pole piece is die cut bag making lamination equipment integrating
CN107508002A (en) * 2017-08-11 2017-12-22 深圳市格林晟科技有限公司 One kind cuts folding integrated machine

Also Published As

Publication number Publication date
CN109301165B (en) 2021-09-17
CN109301165A (en) 2019-02-01
CN114005950A (en) 2022-02-01

Similar Documents

Publication Publication Date Title
CN114005950B (en) Method for producing battery pole piece by using die-cutting and bag-making integrated machine and battery pole piece
CN105119009B (en) The manufacture method of battery bag
CN101752607B (en) Lithium ion battery cell packet preparation method and system
CN105914406B (en) Continuous manufacturing device for laminated battery
WO2017016400A1 (en) Lithium ion battery lamination device
WO2014080544A1 (en) Device which sandwiches electrode sheets with separators
JP5291811B2 (en) Secondary battery manufacturing method and manufacturing apparatus
CN111113933A (en) Full-automatic cup-shaped mask forming equipment
CN210467996U (en) Laminated battery core production system
CN109148930A (en) Battery assembly line
CN210052801U (en) Lamination device
CN106299487A (en) Manufacturing device and manufacturing method of lithium ion laminated battery
WO2016002059A1 (en) Method for bonding composite materials and device for bonding composite materials
CN205081172U (en) System bag lamination all -in -one
CN112310458A (en) Lamination machine
JP2012243395A (en) Solid battery pack manufacturing method
CN206225474U (en) Battery core film coating mechanism
CN214477590U (en) Composite device and lamination machine
CN211654975U (en) Lithium-sulfur battery bag-making and laminating device
CN208637519U (en) Battery assembly line
JP2015185363A (en) Separator joint method for electric device, separator joint device for electric device and electric device
CN113471503A (en) Lithium ion battery cell lamination equipment and lamination process
CN104118588A (en) Device and method for encapsulating core element of power capacitor
JP2017520890A (en) Method and apparatus for forming a wound structure
CN211763630U (en) Full-automatic cup-shaped mask forming equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 101, 401, Xinhongze Cosmetics Factory, No. 10 Dafu Industrial Zone, Kukeng Community, Guanlan Street, Longhua District, Shenzhen City, Guangdong Province, 518000

Patentee after: Shenzhen Greensheng Technology Co.,Ltd.

Address before: 518110 Room 101, building 1013, building 2, No. 5, Aowei Road, Zhangge community, Fucheng street, Longhua District, Shenzhen, Guangdong

Patentee before: SHENZHEN GREENSUN TECHNOLOGY Co.,Ltd.